radio-frequency alternator
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Alternator — s are called turbo alternators.HistoryAlternating current generating systems were known in simple forms from the discovery of the magnetic induction of electric current. The early machines were developed by pioneers such as Michael Faraday and… … Wikipedia
Alexanderson alternator — An Alexanderson alternator is a rotating machine invented by Ernst Alexanderson for the generation of high frequency alternating current up to 100 kHz, for the purpose of radio communication. It is on the list of IEEE Milestones as a key… … Wikipedia
Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism … Wikipedia
Mobile radio — This article is about professional equipment. For mobile radios used in amateur radio, see amateur radio mobile operation. Mobile radio or mobiles refer to wireless communications systems and devices which are based on radio frequencies, and… … Wikipedia
Outline of radio — The following outline is provided as an overview of and topical guide to radio: Radio – transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light.[1] Electromagnetic radiation travels by means of … Wikipedia
Timeline of radio — The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer… … Wikipedia
List of oldest radio stations — Contents 1 Stations 2 See also 3 References 4 External links … Wikipedia
List of radio stations in New Zealand — This is a list of radio networks and radio stations operating in New Zealand. Network Stations Radio New Zealand Stations*AM Network *Radio New Zealand Concert *Radio New Zealand NationalCommercial Network StationsCurrent Network Stations *BSport … Wikipedia
Motor-generator — Radio station motor generator set, converting from low to the high voltage power supply. This device is called an umformer in German. Dübendorf Museum of Military Aviation A motor generator (an M G set or a dynamotor for dynamo motor) is a device … Wikipedia
Reginald Fessenden — Infobox Celebrity name = Reginald Fessenden caption = The Father of Radio Broadcasting birth date = birth date|1866|10|6|mf=y birth place = East Bolton, Quebec, Canada death date = death date and age|1932|7|22|1866|10|6|mf=y death place = Bermuda … Wikipedia
Magnetic amplifier — The magnetic amplifier (colloquially known as a mag amp ) is an electromagnetic device for amplifying electrical signals. The magnetic amplifier was invented early in the 20th century, and was used as an alternative to vacuum tube amplifiers… … Wikipedia
